. -- bob led this committee from 1995 to 1997. welcome, bob. retired major-general ronald siegel. he currently serves as vice president enterprise executive for energy in the environment for colorado state university and ohio state university. led a distinguished career in the u.s. air force. d.o.d. executive force base, and prior to that, director of defense research and technology. he flew two space shuttles. we certainly welcome you. >> we welcome, honorable marion blakey, president and ceo representing more than 150 leading aerospace manufacturers. ms. thank you served a five-year term as administrator of the f.a.a. -- ms. blakey served a five- year term as administrator of the f.a.a. we do certainly welcome you. but associate prof. for space science and engineering at the university of michigan, specialist in robotic exploration and space and team leader for the development for the fast imaging plasma spectrometer on messenger spacecraft. we certainly welcome you. dr. scott pages a director of the space policy institute -- page is a director of teh space he policy institute.